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Hyper unveils new 'Dual 4K HDMI' dongles for using multiple external displays with M1 Macs - 9to5Mac
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Two 4K HDR monitors: only one, which is connected with USB-C show “High Dynamic Range” Checkbox, the other one is connected with HDMI : r/MacOS
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How to Mirror Specific Displays in OS X: Mirror some, but not all of your monitors on an Apple system - MacFinder Blog
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macos - How do I use only the external display with my MacBook Pro lid open on Lion? - Ask Different
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